Fixed failing unit test

tests/test_tiles.py

@@ -1,6 +1,6 @@
 import numpy as np
 import torch
-from pytorch_toolbelt.inference.tiles import ImageSlicer, CudaTileMerger
+from pytorch_toolbelt.inference.tiles import ImageSlicer, TileMerger
 from pytorch_toolbelt.utils.torch_utils import tensor_from_rgb_image, rgb_image_from_tensor, to_numpy
 from torch import nn
 from torch.utils.data import DataLoader
@@ -32,7 +32,7 @@ def test_tiles_split_merge_non_dividable_cuda():
     tiler = ImageSlicer(image.shape, tile_size=(1280, 1280), tile_step=(1280, 1280), weight="mean")
     tiles = tiler.split(image)
 
-    merger = CudaTileMerger(tiler.target_shape, channels=image.shape[2], weight=tiler.weight)
+    merger = TileMerger(tiler.target_shape, channels=image.shape[2], weight=tiler.weight)
     for tile, coordinates in zip(tiles, tiler.crops):
         # Integrate as batch of size 1
         merger.integrate_batch(tensor_from_rgb_image(tile).unsqueeze(0).float().cuda(), [coordinates])
@@ -72,7 +72,7 @@ def forward(self, input):
 
     model = MaxChannelIntensity().eval().cuda()
 
-    merger = CudaTileMerger(tiler.target_shape, 1, tiler.weight)
+    merger = TileMerger(tiler.target_shape, 1, tiler.weight)
     for tiles_batch, coords_batch in DataLoader(list(zip(tiles, tiler.crops)), batch_size=8, pin_memory=True):
         tiles_batch = tiles_batch.float().cuda()
         pred_batch = model(tiles_batch)